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Sample system for time resolved tokamak plasma impurity analysis

Author
Hager, E. R.
Published
United States : [publisher not identified], 1979.
Springfield, Va. : National Technical Information Service, [approximately 1979]
Physical Description
microfiche : negative ; 11 x 15 cm
Additional Creators
Ahlgren, D. H., Burrell, K. H., Ellis, L. V., and Gomay, Y.

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Summary
A fast sample system for time resolved measurements of material transport and unipolar arcing in ISX-B, located at Oak Ridge National Laboratory, has been designed, fabricated and tested. The sample system consists of a wheel which is driven through about one revolution during ISX plasma discharge. The wheel is driven via a cable and bellows system from outside the plasma chamber. A feedthrough mechanism supports and advances the fast sample system through an isolation valve to the exposure position. A separate vacuum pumping system is provided to evacuate the sample system before opening the isolation valve into the plasma chamber. Provision is made for a heat flux probe and a particle energy analyzer probe to be carried on the same feedthrough. The system is currently installed on ISX and operating experience and data are being gathered.
Report Numbers
GA-A-15641; CONF-791102-18
Other Subject(s)
Collection
NTIS collection.
Note
DOE contract number: AT03-76ET51011
OSTI Identifier 5851276
Research organization: General Atomic Co., San Diego, CA (USA).
View MARC record | catkey: 45334611